[ale] network issue?

Jerry Yu jjj863 at gmail.com
Sat Sep 27 06:52:19 EDT 2008


It may help to use wireshark or tcpdump to capture traffic on your
computer. I'd start with DNS and http first.  If the dns server could
not resolve preoperly or consistently, you may see delay due to dns
timeout while no traffic going thru your router. If http request is
sent out right away, u then looking at traceroute and whatnot.

On 9/26/08, Paul Cartwright <ale at pcartwright.com> wrote:
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> I am thinking I have an issue with the network, but I'm nt sure what, or
> what to look at. Web pages sometimes take a few seconds, where my router
> doesn't blink, then kicks in. then I did a traceroute and found this:
> # traceroute atnex.net
> traceroute to atnex.net (208.65.89.2), 30 hops max, 40 byte packets
>  1  192.168.10.1 (192.168.10.1)  1.364 ms  1.652 ms  1.915 ms
>  2  208.65.88.129 (208.65.88.129)  12.245 ms  15.585 ms *
>  3  * * *
>  4  * * *
>  5  * * *
>  6  * 208.65.88.21 (208.65.88.21)  11.651 ms !X *
>
>
> then this:
>  traceroute microsoft.com
> traceroute to microsoft.com (207.46.197.32), 30 hops max, 40 byte packets
>  1  192.168.10.1 (192.168.10.1)  1.270 ms  1.553 ms  1.819 ms
>  2  208.65.88.129 (208.65.88.129)  13.575 ms  16.686 ms *
>  3  * * *
>  4  * * *
>  5  * * *
>  6  * * te3-4.ccr02.dca01.atlas.cogentco.com (154.54.7.210)  28.492 ms
>  7  te2-2.ccr02.dca01.atlas.cogentco.com (154.54.7.141)  30.814 ms
> vl3498.mpd01.dca02.atlas.cogentco.com (154.54.7.6)  25.882 ms
> te2-2.ccr02.dca01.atlas.cogentco.com (154.54.7.141)  28.586 ms
>  8  vl3493.mpd01.dca02.atlas.cogentco.com (154.54.7.230)  32.446 ms
> te1-2.ccr02.iad01.atlas.cogentco.com (154.54.7.158)  35.574 ms  38.992 ms
>  9  * * *
> 10  * * *
> 11  * * *
> 12  * ge-7-1-0-0.blu-64c-1b.ntwk.msn.net (207.46.33.10)  39.432 ms *
> 13  ge-7-1-0-0.cpk-64c-1a.ntwk.msn.net (207.46.35.37)  99.083 ms * *
> 14  * * ge-7-1-0-0.cpk-64c-1a.ntwk.msn.net (207.46.35.37)  95.032 ms
> 15  ten3-4.cpk-76c-1b.ntwk.msn.net (207.46.34.118)  95.073 ms  94.551 ms
> 10.22.0.30 (10.22.0.30)  95.334 ms
> 16  * * 10.22.0.30 (10.22.0.30)  99.252 ms
> 17  * * *
> 18  * * *
> 19  * * *
> 20  * * *
> 21  * * *
> 22  * * *
> 23  * * *
> 24  * * *
> 25  * * *
> 26  * * *
> 27  * * *
> 28  * * *
> 29  * * *
> 30  * * *
>
>
> so... whats wrong and what do I do?
> - --
> Paul Cartwright
> Registered Linux user # 367800
> Registered Ubuntu User #12459
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